. Thread 4 (Thread 17675): #0 0x00007ff3f9108f93 in poll () from /lib/libc.so.6 No symbol table info available. #1 0x00007ff3f89464a9 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff3f89468fc in g_main_context_iteration () from /lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff3f9f13513 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007ff3f9ee8992 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #5 0x00007ff3f9ee8d6c in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #6 0x00007ff3f9df2d59 in QThread::exec() () from /usr/lib/libQtCore.so.4 No symbol table info available. #7 0x00007ff3f9ec9178 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #8 0x00007ff3f9df5775 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #9 0x00007ff3f9b659ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #10 0x00007ff3f91156dd in clone () from /lib/libc.so.6 No symbol table info available. #11 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 17740): #0 0x00007ff3f9b6abc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #1 0x00007ff3f9df6692 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4 No symbol table info available. #2 0x00007ff3f9deba79 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #3 0x00007ff3f9df5775 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007ff3f9b659ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0x00007ff3f91156dd in clone () from /lib/libc.so.6 No symbol table info available. #6 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 17686): #0 0x00007ff3f9b6abc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #1 0x00007ff3f9df6692 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4 No symbol table info available. #2 0x00007ff3f9deba79 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #3 0x00007ff3f9df5775 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007ff3f9b659ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0x00007ff3f91156dd in clone () from /lib/libc.so.6 No symbol table info available. #6 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 17674): #0 0x0000000000000000 in ?? () No symbol table info available. #1 0x0000000000424f28 in ?? () No symbol table info available. #2 0x000000000049f4b9 in ?? () No symbol table info available. #3 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007ff3fab5604e in QTabWidget::currentChanged(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #5 0x00007ff3fab5790d in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #6 0x00007ff3fab57bc0 in QTabWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4 No symbol table info available. #7 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #8 0x00007ff3fab4cd3e in QTabBar::currentChanged(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #9 0x00007ff3fab55513 in QTabBar::removeTab(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #10 0x00007ff3fab573c0 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #11 0x00007ff3fab57b48 in QTabWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4 No symbol table info available. #12 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #13 0x00007ff3fad8b391 in QStackedWidget::widgetRemoved(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #14 0x00007ff3fad8b51e in QStackedWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4 No symbol table info available. #15 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #16 0x00007ff3fad8299e in QStackedLayout::widgetRemoved(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #17 0x00007ff3fa72b0b9 in QStackedLayout::takeAt(int) () from /usr/lib/libQtGui.so.4 No symbol table info available. #18 0x00007ff3fa71b8bf in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #19 0x00007ff3fa6eb1ee in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #20 0x00007ff3fa6f16fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #21 0x00007ff3f9eea06c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #22 0x00007ff3f9efdbbe in QObjectPrivate::setParent_helper(QObject*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #23 0x00007ff3f9effb09 in QObject::~QObject() () from /usr/lib/libQtCore.so.4 No symbol table info available. #24 0x00007ff3fa74835e in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4 No symbol table info available. #25 0x000000000044ff2b in ?? () No symbol table info available. #26 0x00000000004a3307 in ?? () No symbol table info available. #27 0x00000000004215b8 in ?? () No symbol table info available. #28 0x000000000042103a in ?? () No symbol table info available. #29 0x000000000049f415 in ?? () No symbol table info available. #30 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #31 0x00007ff3fabb5615 in QDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4 No symbol table info available. #32 0x000000000049ff8f in ?? () No symbol table info available. #33 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #34 0x00007ff3faad14e9 in QDialogButtonBox::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4 No symbol table info available. #35 0x00007ff3f9efce3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 No symbol table info available. #36 0x00007ff3fad865f2 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4 No symbol table info available. #37 0x00007ff3faaa086b in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #38 0x00007ff3faaa170b in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #39 0x00007ff3faaa197c in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #40 0x00007ff3fa741582 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #41 0x00007ff3fa6eb22c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #42 0x00007ff3fa6f1ecb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #43 0x00007ff3f9eea06c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #44 0x00007ff3fa6f10ae in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () from /usr/lib/libQtGui.so.4 No symbol table info available. #45 0x00007ff3fa770f65 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #46 0x00007ff3fa76f8ac in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #47 0x00007ff3fa79b882 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #48 0x00007ff3f89428c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #49 0x00007ff3f8946748 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #50 0x00007ff3f89468fc in g_main_context_iteration () from /lib/libglib-2.0.so.0 No symbol table info available. #51 0x00007ff3f9f13513 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #52 0x00007ff3fa79b46e in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #53 0x00007ff3f9ee8992 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #54 0x00007ff3f9ee8d6c in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #55 0x00007ff3f9eecaab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 No symbol table info available. #56 0x000000000041301d in ?? () No symbol table info available. #57 0x00007ff3f904dc4d in __libc_start_main () from /lib/libc.so.6 No symbol table info available. #58 0x00000000004124e9 in ?? () No symbol table info available. #59 0x00007fff371e9078 in ?? () No symbol table info available. #60 0x000000000000001c in ?? () No symbol table info available. #61 0x0000000000000001 in ?? () No symbol table info available. #62 0x00007fff371eaac2 in ?? () No symbol table info available. #63 0x0000000000000000 in ?? () No symbol table info available.